2014 Thunder Valley MX | GoPro Hero 3+

We’ve touched on the slight difference in performance bikes encounter when racing at Colorado’s 2014 Thunder Valley MX, but nothing is more of a telling sign than the sound of pro rider at speed. Getting over some of the obstacles at round three of the 2014 Lucas Oil Pro Motocross Championship take all over the power a bike has, and racer’s had their machines pinned up and down the Colorado hills. Take Jessy Nelson for instance: the Troy Lee Designs/Lucas Oil/Honda bike was wide open as the young racer led the 250 class for the opening moments of the first moto. The same applied for Weston Peick, who charged through the field aboard his RCH/Soaring Eagle/Suzuki RM-Z 450…